/*
 * Copyright 2009 Jesse McLaughlin (nzjess@gmail.com)
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.travelfusion.xmlclient.xobject;

import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import com.google.gwt.user.client.rpc.IsSerializable;

/**
 * Default implementation of {@link XAttributes}.
 * 
 * @author Jesse McLaughlin (nzjess@gmail.com)
 */
public class XAttributesBean implements XAttributes, Serializable, IsSerializable {

  private static final long serialVersionUID = 1L;

  private Map<String, String> attrs = null;

  public boolean hasAttribute(String name) {
    return (attrs != null && attrs.containsKey(name));
  }

  public String getAttribute(String name) {
    return (attrs != null ? attrs.get(name) : null);
  }

  public void setAttribute(String name, String attr) {
    if (attrs == null) attrs = new HashMap<String, String>(4, 1.0F);
    attrs.put(name, attr);
  }

  public void removeAttribute(String name) {
    if (attrs != null) attrs.remove(name);
  }
}
